20081250

Names of 20081250

• Cardinal: 20081250 can be written as Twenty million, eighty-one thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.008125 × 10⁷

Factors of 20081250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 34

Divisors of 20081250

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 21 25 27 30 34 35 42 45 50 51 54 63 70 75 85 90 102 105 119 125 126 135 150 153 170 175 189 210 225 238 250 255 270 306 315 350 357 375 378 425 450 459 510 525 595 625 630 675 714 750 765 850 875 918 945 1050 1071 1125 1190 1250 1275 1350 1530 1575 1750 1785 1875 1890 2125 2142 2250 2295 2550 2625 2975 3125 3150 3213 3375 3570 3750 3825 4250 4375 4590 4725 5250 5355 5625 5950 6250 6375 6426 6750 7650 7875 8750 8925 9375 9450 10625 10710 11250 11475 12750 13125 14875 15750 16065 16875 17850 18750 19125 21250 21875 22950 23625 26250 26775 28125 29750 31875 32130 33750 38250 39375 43750 44625 47250 53125 53550 56250 57375 63750 65625 74375 78750 80325 84375 89250 95625 106250 114750 118125 131250 133875 148750 159375 160650 168750 191250 196875 223125 236250 267750 286875 318750 371875 393750 401625 446250 478125 573750 590625 669375 743750 803250 956250 1115625 1181250 1338750 1434375 2008125 2231250 2868750 3346875 4016250 6693750 10040625 20081250
• Sum of all divisors σ(n): 67495680
• Sum of proper divisors (its aliquot sum) s(n): 47414430
• 20081250 is an abundant number, because the sum of its proper divisors (47414430) is greater than itself. Its abundance is 27333180

Bases of 20081250

• Binary: 1001100100110101001100010₂
• Hexadecimal: 0x1326A62
• Base-36: BYESI

Squares and roots of 20081250

• 20081250 squared (20081250²) is 403256601562500
• 20081250 cubed (20081250³) is 8097896630126953125000
• The square root of 20081250 is 4481.2107738869
• The cube root of 20081250 is 271.8088424045

Scales and comparisons

• 20,081,250 seconds is equal to 33 weeks, 1 day, 10 hours, 7 minutes, 30 seconds.
• To count from 1 to 20,081,250 would take you about forty-nine weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20081250 cubic inches would be around 22.7 feet tall.

Recreational maths with 20081250

• 20081250 backwards is 05218002
• 20081250 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20081250's digits is 18
• More coming soon!